This parameter is only valid for queues that allow multiple consumers. If empty, the queue will be available for any consumer. This parameter is not returned to a consumer at dequeue time.
Requirements
Target Platforms: Windows 7, Windows Vista SP1 or later, Windows XP SP3, Windows Server 2008 (Server Core not supported), Windows Server 2008 R2 (Server Core supported with SP1 or later), Windows Server 2003 SP2